Cclssai
CLSSAI gateway

Model Lab

Run real model requests through the authenticated CLSSAI gateway.

599 OpenRouter models
First successful run2 / 4 setup steps ready

Start with an exact model and mode, add the selected execution key, keep the sample, then run through CLSSAI gateway.

  1. 1
    ModeImage generation
  2. 2
    Real-run modelBlack Forest Labs: FLUX.2 Klein 4B · verified 2026-08-05
  3. 3
    CLSSAI API keyPaste your CLSSAI API key below
  4. 4
    Sample inputA concrete prompt with subject, light, and composition

The key stays only in this tab's React memory, is sent through the authenticated CLSSAI Worker only for requests, and is cleared by refresh or tab close. Runs use your CLSSAI gateway account and billing.

Task presetsModel + parameters + system prompt · browser-local

Presets never store the temporary Key, user prompt, uploads, PDF parses, generated media, or results. Open applies a preset on the other execution page.

Image model52 compatible

qwen/qwen-image-3text + image → image

Browser-local · shared with model details and Chat
Reference assetsnot supported · 0/0

This model has no verified reference-asset support.

OpenRouter does not report multi-image output for this model, so this run is limited to one image.

Inputs and outputs are not saved by this Playground.